Home / 90,989,200.20-136,483,800.30-56,551,823.40

Finding the Fourth Proportional to 90,989,200.20, 136,483,800.30 and 56,551,823.40

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Solution

The fourth proportional to 90,989,200.20, 136,483,800.30 and 56,551,823.40 is: 84,827,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,989,200.20 : 136,483,800.30 = 56,551,823.40 : x
  2. Step 2: Convert to fraction form
    90,989,200.20/136,483,800.30 = 56,551,823.40/x
  3. Step 3: Cross multiply
    90,989,200.20x = 136,483,800.30 × 56,551,823.40
  4. Step 4: Simplify right side
    90,989,200.20x = 7,718,407,771,526,467
  5. Step 5: Solve for x
    x = 7,718,407,771,526,467/90,989,200.20
  6. Step 6: Final answer
    x = 84,827,735.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.